47 CFR 80.322
§ 80.322 Form of acknowledgement.
United States · 47 CFR — Telecommunication · Status: effective
Cite this
- Citation
- 47 CFR 80.322, § 80.322 Form of acknowledgement, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/237479
- Permanent ID
ys:prov:237479@1- SHA-256
b37785359b12a095c31237ff0e79eb8ae083ecf4adf120aeaed0ef23389f1120
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) The acknowledgement of receipt of a radiotelegraph distress message is transmitted in the following form:
(1) The distress signal SOS;
(2) The call sign of the station sending the distress message, sent three times;
(3) The word DE;
(4) The call sign of the station acknowledging receipt, sent three times;
(5) The group RRR;
(6) The message signal SOS.
(b) The acknowledgement of receipt of a radiotelephone distress message is transmitted in the following form:
(1) The distress signal MAYDAY;
(2) The call sign or other identification of the station sending the distress message, spoken three times;
(3) The words THIS IS;
(4) The call sign or other identification of the station acknowledging receipt, spoken three times;
(5) The word RECEIVED;
(6) The distress signal MAYDAY.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.